Intel® MPI Library for Linux* - New features

The Intel® MPI Library 3.2 Update 1 for Linux* OS is an update release of the Intel® MPI Library for Linux* OS.

This release includes the following updates compared to the Intel® MPI Library 3.2 (see product documentation for more details):

Performance enhancements

  • Collective optimization
  • Scalable mpdboot startup through the -b<maxbranch> and --parallel-startup options

Usability improvements

  • Linux* Standard Base (LSB) compliant RPMs
  • ILP64 support through the -ilp64 option
  • Process pinning improvement

Extended interoperability

  • Intel® Compiler 11.0 and higher support

Intel® MPI Library 3.2 for Linux* is a new release of the Intel® MPI Library for Linux*.

The Intel MPI Library 3.2 for Linux* includes the following new features compared to the Intel MPI Library 3.1 (see product documentation for more details):

Performance enhancements

  • Automatic application-specific performance tuning through the mpitune utility
  • Simplified selection of IPoIB for sock and ssm communication through the I_MPI_NETMASK variable
  • Faster process startup thanks to disabled Python compatibility check
  • Faster RDMA and RDSSM wait mode through the I_MPI_RDMA_WRITE_IMM variable
  • Further optimized Alltoall, Alltoallv, Allreduce, Gather, Scatter, and Bcast collective operations
  • Greater scalability for the sock and ssm devices

Usability improvements

  • Advanced shared memory segment size control
  • Flexible OS, Python*, compiler,and DAPL* compatibility check control
  • LD_LIBRARY_PATH prioritization over built-in -rpath setting in compiler drivers
  • Loadable 3rd party process manager libraries

Extended interoperability

  • Intel® Compiler 11.0 support
  • DAPL* 2.0 support

Operating System:

SUSE* Linux Enterprise Server 10, Red Hat* Enterprise Linux 5.0, SUSE* Linux Enterprise Server 9, Red Hat* Enterprise Linux 4.0

 


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